75" WC calibration and SPDT logic required by Weil McLain's safety sequence

and 61-101713-01

or a failing blower capacitor that is preventing the motor from reaching full RPM

it is specifically designed for controllers calibrated for the A99 sensor curve and is not a standard 10k Type II or III NTC thermistor

048229 is the specific Emerson/Copeland SKU

Johnson Controls A19AGF-31 Temperature Control Els PW 17895 75" WC calibration and SPDTThe Johnson Controls A19AGF 31 is a precision engineered mechanical temperature control designed for heavy duty industrial and commercial HVACR applications. This remote bulb temperature control features a Single Pole Double Throw (SPDT) switch configuration, providing versatility for both heating and cooling circuits across a voltage range of 24 to 277Vac. Built for reliability, it operates with an automatic reset mechanism and maintains a tight 1. 5